Is the "20 second rule" the key to being your best? - Barking up the wrong tree
Eric Barker stashed this in Practice
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I wonder why 20 seconds is the magic number.
Why not 15 or 30?
It's arbitrary. Just make good habits easy to do and bad ones hard to do by manipulating your context.
http://www.bakadesuyo.com/whats-the-most-effective-way-to-change-you-be
11:13 AM Jun 02 2012